Chamberlain Chain Drive model C203 parts
Chamberlain C203 Replacement Parts
Genuine replacement parts and repair components for the Chamberlain C203 and C203C chain drive garage door opener. Use the diagram above and the part-number tables below to identify the exact component you need. Click any part number to view or order that part.
Garage Door Opener Repair Parts
| Ref | Part Number | Description |
|---|---|---|
| 1 | 041A5615 | Chain Spreader Kit |
| 2 | 041C4220A | Chain Drive Gear and Sprocket Kit |
| 3 | 041D8129 | End Panel |
| 4 | 041C0279 | Light Socket |
| 5 | K108D0079M | Light Lens |
| 6 | K030B0532-1 | Capacitor, 56µF, 220V |
| 7 | K012A0373 | Capacitor Bracket |
| 8 | 041D7742-7 | Travel Module, 1/2 HP |
| 9 | 041D8912 | Cover |
| 10 | 045ACTMC | Receiver Logic Board, 2.0 |
| 11 | 041D8374 | End Panel |
| 12 | 041D7440 | Motor with Travel Module, 1/2 HP |
| 13 | 041B4245-1 | AC Power Cord, 6' |
| 14 | 041A3150 | Terminal Block |
| — | 041A7945 | Wire Harness |
Rail Assembly Parts
| Ref | Part Number | Description |
|---|---|---|
| 1 | 041A5807 | Chain and Cable Kit, 7' |
| 2 | K144C0056 | Square Rail Idler Pulley |
| 3 | 004A1008 | Chain, #48, with Master Link |
| 4 | 041A5665 | Rail Kit, 7' |
| 5 | 041C5141-1 | Square Rail Trolley Kit |
| 6 | 041D0598-1 | U Bracket Adapter |
| — | 041A7276 | Trolley Wear Pad Kit |
| — | K083A0011-1 | Lithium Rail Grease |
Installation Parts
| Ref | Part Number | Description |
|---|---|---|
| 1 | 041B0035B | Curved Door Arm |
| 2 | 041A5047-1 | Door Bracket |
| 3 | 041A2828 | Emergency Manual Release Rope |
| 4 | 041A5047-2 | Header Bracket |
| 5 | K029B0137 | Remote Control Visor Clip |
| 6 | 041-0155-000 | Safety Sensor Bracket Kit |
| 7 | 041-0136 | Safety Sensor Kit |
| 8 | 4178B0034B | Straight Door Arm |
| 9 | 041B4494-1 | White/Red Bell Wire |
| 10 | K010A0020 | 3V CR2032 Lithium Battery |
| 11 | K012B0776 | Hanging Bracket Kit |
| — | 041A7920-1 | Hardware Kit |